I can hear so many birds sing这句话对不对?hear后是宾语从句吗?

I can hear so many birds sing这句话对不对?hear后是宾语从句吗? You can hear birds sing here and there.和You can hear birds s In spring,we can hear birds -----(sing) in the trees Can you hear the birds sing in the morning? I hear the birds sing.变为被动句 we can hear birds singing.是被动语态吗 I often hear birds ( )in the morning?是填to sing 还是填singi I hear what say but i just can make you so这句话的意思 Listen!I can hear many people___ in the next door.A.to sing I can hear many birds________ in the trees.A.to sing B.singe Listen!Can you hear birds（ ）in the tree?A.sing B.to sing C.s I can hear the birds singing right there right?